25315385 has 8 divisors (see below), whose sum is σ = 30468096. Its totient is φ = 20192560.

The previous prime is 25315373. The next prime is 25315403. The reversal of 25315385 is 58351352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25315385 - 2¹² = 25311289 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5561 + ... + 9030.

It is an arithmetic number, because the mean of its divisors is an integer number (3808512).

Almost surely, 2^25315385 is an apocalyptic number.

It is an amenable number.

25315385 is a deficient number, since it is larger than the sum of its proper divisors (5152711).

25315385 is a wasteful number, since it uses less digits than its factorization.

25315385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14943.

The product of its digits is 18000, while the sum is 32.

The square root of 25315385 is about 5031.4396548105. The cubic root of 25315385 is about 293.6262276201.

The spelling of 25315385 in words is "twenty-five million, three hundred fifteen thousand, three hundred eighty-five".